1. Interlaminar approach for epiduroscopy in patients with failed back surgery syndrome 
M. Avellanal, G. Diaz-Reganon 
British Journal of Anaesthesia 
Volume 101, Issue 2, Pages (August 2008)
DOI: /bja/aen165
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions

2. Fig 1
The 4F catheter connected to a Y-adapter/haemostasis valve for fluid injection and the fibrescope introduced through them are shown.
British Journal of Anaesthesia  , DOI: ( /bja/aen165)
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions

3. Fig 2
Epidurography (10–15° right oblique projection) showing the lumbar nerve roots and the epiduroscope reaching right L4 nerve root.
British Journal of Anaesthesia  , DOI: ( /bja/aen165)
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions

4. Fig 3
Diagram of the clinical outcome of our patients (FBSS, failed back surgery syndrome; VAS, visual analogue scale score).
British Journal of Anaesthesia  , DOI: ( /bja/aen165)
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions

5. Fig 4
Epiduroscopic view of left L4 nerve root going into an adhesion and scar zone.
British Journal of Anaesthesia  , DOI: ( /bja/aen165)
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions